| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_HANDLE_H_ |
| #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_HANDLE_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/browser/service_worker/service_worker_version.h" |
| #include "content/common/content_export.h" |
| #include "content/common/service_worker/service_worker_types.h" |
| |
| namespace IPC { |
| class Sender; |
| } |
| |
| namespace content { |
| |
| class ServiceWorkerContextCore; |
| class ServiceWorkerRegistration; |
| |
| // Roughly corresponds to one ServiceWorker object in the renderer process |
| // (WebServiceWorkerImpl). |
| // Has references to the corresponding ServiceWorkerVersion and |
| // ServiceWorkerRegistration (therefore they're guaranteed to be alive while |
| // this handle is around). |
| class CONTENT_EXPORT ServiceWorkerHandle |
| : NON_EXPORTED_BASE(public ServiceWorkerVersion::Listener) { |
| public: |
| // Creates a handle for a live version. The version's corresponding |
| // registration must be also alive. |
| // This may return NULL if |context|.get() or |version| is NULL. |
| // |sender| and |thread_id| will be used to send messages to the |
| // corresponding WebServiceWorkerImpl (which should live on |thread_id| |
| // in the child process). |
| static scoped_ptr<ServiceWorkerHandle> Create( |
| base::WeakPtr<ServiceWorkerContextCore> context, |
| IPC::Sender* sender, |
| int thread_id, |
| int provider_id, |
| ServiceWorkerVersion* version); |
| |
| ServiceWorkerHandle(base::WeakPtr<ServiceWorkerContextCore> context, |
| IPC::Sender* sender, |
| int thread_id, |
| int provider_id, |
| ServiceWorkerRegistration* registration, |
| ServiceWorkerVersion* version); |
| virtual ~ServiceWorkerHandle(); |
| |
| // ServiceWorkerVersion::Listener overrides. |
| virtual void OnWorkerStarted(ServiceWorkerVersion* version) OVERRIDE; |
| virtual void OnWorkerStopped(ServiceWorkerVersion* version) OVERRIDE; |
| virtual void OnErrorReported(ServiceWorkerVersion* version, |
| const base::string16& error_message, |
| int line_number, |
| int column_number, |
| const GURL& source_url) OVERRIDE; |
| virtual void OnReportConsoleMessage(ServiceWorkerVersion* version, |
| int source_identifier, |
| int message_level, |
| const base::string16& message, |
| int line_number, |
| const GURL& source_url) OVERRIDE; |
| virtual void OnVersionStateChanged(ServiceWorkerVersion* version) OVERRIDE; |
| |
| ServiceWorkerObjectInfo GetObjectInfo(); |
| |
| int thread_id() const { return thread_id_; } |
| int provider_id() const { return provider_id_; } |
| int handle_id() const { return handle_id_; } |
| ServiceWorkerRegistration* registration() { return registration_.get(); } |
| ServiceWorkerVersion* version() { return version_.get(); } |
| |
| bool HasNoRefCount() const { return ref_count_ <= 0; } |
| void IncrementRefCount(); |
| void DecrementRefCount(); |
| |
| private: |
| base::WeakPtr<ServiceWorkerContextCore> context_; |
| IPC::Sender* sender_; // Not owned, it should always outlive this. |
| const int thread_id_; |
| const int provider_id_; |
| const int handle_id_; |
| int ref_count_; // Created with 1. |
| scoped_refptr<ServiceWorkerRegistration> registration_; |
| scoped_refptr<ServiceWorkerVersion> version_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceWorkerHandle); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_HANDLE_H_ |